Download or read book The Universe and Its Galaxies | Guide to Astronomy Grade 4 | Children's Astronomy & Space Books written by Baby Professor and published by Speedy Publishing LLC. This book was released on 2020-12-31 with total page 77 pages. Available in PDF, EPUB and Kindle. Book excerpt: Did you know that there are countless galaxies in the universe? Earth belongs to the Milky Way Galaxy. With advancements in technology, scientists were able to peer into other galaxies and find exoplanets. In this book, you will learn about the different types of galaxies found in our universe. Travel deep into space. Get a copy today.